12 
MR. GEORGE W. WALKER OK THE MAGNETIC RE-SURVEY OF THE 
Table I.—Declination (continued). 
Station. 
No. 
Date. 
Declination 
observed. 
Greenwich 
value. 
Difference. 
Add 
15° 2'-8. 
Provisional 
value for 
epoch Jan. 
1, 1915. 
1914. 
e 
14- 
12 
• 
/ 
March. 
115 
June 
2 
15 
0 
15 
3 
+ 0 
1 
7 
_ 
15 
4-5 
Wisbech. 
155 
3 
15 
16 
5 
15 
9 
8 
+ 0 
6 
7 
— 
15 
9-5 
Tilney. 
148 
4 
15 
23 
0 
15 
9 
7 
+ 0 
13 
3 
— 
15 
16-1 
Clenchwarton . 
73 
4 
15 
16 
0. 
15 
9 
3 
+ 0 
6 
7 
15 
9-5 
King’s Lynn.... 
100 
5 
15 
13 
3 
15 
9 
3 
+ 0 
4 
0 
— 
15 
6-8 
Cromer . 
78 
8 
14 
41 
8 
15 
9 
6 
-0 
27 
8 
— 
14 
35-0 
Sutton Bridge . . . 
142 
10 
15 
13 
1 
15 
12 
1 
+ 0 
1 
0 
— 
15 
3-8 
Spalding. 
140 
11 
15 
12 
2 
15 
9 
5 
+ 0 
2 
7 
— 
15 
5-5 
Mablethorpe . . . 
111 
12 
15 
27 
5 
15 
9 
1 
+ 0 
18 
4 
— 
15 
21-2 
Lincoln . 
105 
12 
15 
30 
8 
15 
9 
0 
+ 0 
21 
8 
— 
15 
24-6 
Gainsborough . . . 
81 
15 
15 
53 
2 
15 
11 
8 
+ 0 
41 
4 
— 
15 
44-2 
Hull . 
92 
]6 
16 
7 
1 
15 
8 
4 
+ 0 
58 
7 
— 
16 
1-5 
Scarborough .... 
137 
> 
17 
16 
0 
4 
15 
7 
8 
+ 0 
52 
6 
— 
15 
55'4 
Thirsk . 
147 
17 
16 
28 
4 
15 
8 
5 
+ 1 
19 
9 
— 
16 
22-7 
Redcar. 
132 
18 
16 
16 
3 
15 
11 
7 
+ 1 
4 
6 
— 
16 
7-4 
Newcastle .... 
119 
19 
16 
43 
1 
15 
12 
1 
+ 1 
31 
0 
— 
16 
33-8 
Alnwick . 
57 
20 
16 
53 
5 
15 
10 
2 
+ 1 
43 
3 
— 
16 
46-1 
Bervyick . 
8 
20 
16 
48 
0 
15 
9 
9 
+ 1 
38 
1 
— 
16 
40-9 
Edinburgh .... 
22 
24 
17 
55 
3 
15 
10 
2 
+ 2 
45 
1 
— 
17 
47-9 
Dundee . 
21 
26 
17 
39 
6 
15 
8 
4 
+ 2 
31 
2 
— 
17 
34-0 
Crieff . 
17 
27 
18 
23 
5 
15 
8 
2 
+ 3 
15 
3 
— 
18 
18-1 
Pitlochry. 
41 
29 
18 
16 
1 
15 
10 
0 
+ 3 
6 
1 
— 
18 
8-9 
Aberdeen. 
1 
,Tuly 
1 
17 
27 
4 
15 
6 
8 
+ 2 
20 
6 
— 
17 
23-4 
Ballater. 
5 
2 
17 
36 
8 
15 
10 
8 
+ 2 
26 
0 
— 
17 
28-8 
Banff . 
7 
3 
18 
2 
5 
15 
11 
5 
+ 2 
51 
0 
— 
17 
53-8 
Elgin . 
23 
6 
18 
10 
0 
15 
10 
7 
+ 2 
59 
3 
— 
18 
2-1 
Boat of Garten . . . 
9 
7 
18 
55 
3 
15 
7 
6 
+ 3 
47 
7 
— 
18 
50-5 
Inverness. 
32 
8 
18 
43 
5 
15 
8 
8 
+ 3 
34 
7 
— 
18 
37-5 
Lairg. 
36 
n 
10 
19 
2 
6 
15 
10 
1 
+ 3 
52 
5 
— 
18 
55 • 3 
Golspie. 
29 
13 
19 
4 
5 
15 
5 
4 
+ 3 
59 
1 
— 
19 
1-9 
Wick. 
54 
14 
18 
29 
2 
15 
6 
7 
+ 3 
22 
5 
— 
la 
25-3 
Kirkwall. 
34 
15 
18 
27 
2 
15 
5 
0 
+ 3 
22 
2 
— 
18 
25-0 
Stromness .... 
51 
15 
18 
24 
0 
15 
5 
6 
+ 3 
18 
4 
— 
18 
21-2 
Thurso. 
53 
16 
18 
13 
2 
15 
8 
4 
+ 3 
4 
8 
— 
18 
7-6 
Loch Inver .... 
31 
Aug. 
5 
19 
40 
9 
15 
6 
5 
+ 4 
34 
4 
— 
19 
37-2 
Loch Eribol .... 
24 
7 
19 
21 
5 
15 
9 
1 
+ 4 
12 
4 
— 
19 
15-2 
Gairloch. 
27 
10 
19 
46 
2 
15 
7 
1 
+ 4 
39 
1 
— 
19 
31-9 
Kyle Akin .... 
35 
11 
20 
5 
5 
15 
10 
2 
+ 4 
55 
3 
— 
19 
58-1 
Portree. 
43 
12 
18 
54 
5 
15 
7 
2 
+ 3 
47 
3 
— 
18 
50-1 
Fort Augustus . . . 
26 
JJ 
13 
18 
54 
0 
15 
9 
5 
+ 3 
44 
5 
— 
18 
47-3 
Banavie. 
6 
14 
19 
9 
9 
15 
9 
3 
+ 4 
0 
6 
_ 
19 
3-4 
Dalwhinnie .... 
19 
17 
18 
49 
4 
15 
5 
9 
+ 3 
43 
5 
_ 
18 
46-3 
Crianlarich .... 
16 
18 
19 
2 
7 
15 
10 
2 
+ 3 
52 
5 
_ 
18 
55-3 
Oban. 
40 
19 
19 
16 
3 
15 
5 
3 
+ 4 
11 
0 
— 
19 
13-8 
Tarbert. 
52 
20 
18 
59 
5 
15 
7 
5 
+ 3 
52 
0 
_ 
18 
54-8 
Campbeltown . . 
13 
21 
19 
21 
8 
15 
7 
8 
+ 4 
14 
0 
— 
19 
16-8 
Strachur . 
49 
24 
18 
40 
4 
15 
6 
9 
+ 3 
33 
5 
18 
36-3 
Lochgoilhead . . . 
38 
n 
25 
19 
22 
1 
15 
10 
3 
+ 4 
11 
8 
— 
19 
14-6 
Row . 
44 
5) 
26 
18 
46 
0 
15 
9 
7 
+ 3 
36 
3 
_ 
18 
39-1 
Stirling . 
47 
)> 
31 
18 
46 
6 
15 
2 
6 
+ 3 
44 
0 
— 
18 
46-8 
Glasgow . 
28 
Sept, 
2 
19 
4 
4 
15 
9 
0 
+ 3 
55 
4 
18 
58-2 
J 
